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Hello,

i am working on a project, and i need help to design it, please!!

The goal is to use the midi protocol to command the volume of Audio links (electric guitar type).

For this, i will certainly use the pga4311 chips...

My question is this one:

The cable plug on my system can reach quite long distances (15m or so). How to know if the pga4311 can drive that, or if i need a driver/buffer chip???

Another question (which in fact is the same i think) : when designing a midi out module, how to compute and design the signal driver placed just before the plug?

thank you for your help,

Alex

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